AS-1 can be run as a stand-alone device, You don't need another tablet PC or phone to take measurements, the result of measurement will be displayed on the display device. The AS-2 can also be equipped with Android tablets PC, Android cell phones and computers with Windows system to achieve function expansion, which Viewing ultrasound images in real time, printing of case results, information management of patient, transferring the data via USB etc. After connecting to a Windows computer, Also can docking urodynamic system, cooperate with urodynamic examination. AS-2 can be applicable to different scenarios.